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Box help! SEAN, JON, JAMES,GLASS, HUNTER,RU!, Sub

 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 3248
Registered: Dec-04
ok if i make a box, that is 16 tall, 20 deep, 20 wide, inches of course, how many cubic feet is that, also. Im going to port it to 45 hrtz using 1 1/2 thich pvc pipe, how long shoudl i make each port inside to the box using 2 ports, thankyou
 

Gold Member
Username: James1115

Wilton, Ct

Post Number: 2731
Registered: Dec-04
well your looking at 2.872 cu/ft as far as the port depth I dont have the program to run that I am pretty sure Sean does.
 

Gold Member
Username: Invain

Michigan United States

Post Number: 2159
Registered: Aug-04
Where's my name in the thread title?? :-(





















I'll go kill my self now....
 

Gold Member
Username: James1115

Wilton, Ct

Post Number: 2738
Registered: Dec-04
not only that Nick but why did he put his own name on the end of the thread? lololol!
 

Gold Member
Username: Invain

Michigan United States

Post Number: 2162
Registered: Aug-04
Ha, I didn't even notice that. I guess he just can't stand not seeing his name.
 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 3264
Registered: Dec-04
haha, i actually mean to put joe, not sub lol. But yea i need the port lengths i suck at that sh*t lol
 

Gold Member
Username: Fishy

Tamarac Ft.Laud, FL USA

Post Number: 1118
Registered: Sep-04
Need to know what drivers you're using so we can figure out driver displacement.

I can give you a ballpark figure from WinISD.

Assuming .25 ft^3 driver plus port displacement gives ya 2.62 ft^3 net.

lol, well Sub forget the PVC. WinISD says .73" port lengths. In other words just drill ya a pair of 1.5" diameter holes in the mdf.

Can you say "port noise"?

Why don't you go with something a bit more practical like a pair of 5" long, 3" i.d. ports.

-Fishy
 

Gold Member
Username: Invain

Michigan United States

Post Number: 2167
Registered: Aug-04
Yeah, 1.5" ports would suck. I've heard bad port noise before, and you don't want it.
 

Gold Member
Username: Jonathan_f

GA USA

Post Number: 3838
Registered: May-04
If you were porting tweeters a 1.5" port would work.
 

Gold Member
Username: Insearchofbass

Post Number: 1681
Registered: Jun-04
when you say 1.5 inch thick it makes it sound like its that thickness not usable internal port diameter...your port can be a 9 high by 6.25 wide slot port your boxes depth being your depth youll be good at the 1200 watts if you choose to use it as far as port whistle is concerned this is using 2.62 cf as your box space after .25 displacement for the subwoofer youll be port tuned to 45 hz....what happened to our 6 cubic foot box? in that size box youll peak out at about 53 hz with a 45 hz port tune not your 48 hz you wanted it at
 

Gold Member
Username: Insearchofbass

Post Number: 1682
Registered: Jun-04
this is assuming were talking about the eclipse 9152
 

Gold Member
Username: Insearchofbass

Post Number: 1683
Registered: Jun-04
and that your box measurements you gave were external not internal
 

Gold Member
Username: Fishy

Tamarac Ft.Laud, FL USA

Post Number: 1122
Registered: Sep-04
Hey Sub

Why don't you just d/l WinISD,

http://www.linearteam.dk/default.aspx?download=winisd

or

http://www.linearteam.dk/default.aspx?download=winisdpro

learn how to use it, and quit buggin us ok?

:P

If thats too difficult(post 4:20?) here's a port calculator even Jeff Spicoli could master:

http://www.carstereo.com/help/Articles.cfm?id=31

:-)

-Fishy
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